/* Licensed to the Apache Software Foundation (ASF) under one
or more contributor license agreements.  See the NOTICE file
distributed with this work for additional information
regarding copyright ownership.  The ASF licenses this file
to you under the Apache License, Version 2.0 (the
"License"); you may not use this file except in compliance
with the License.  You may obtain a copy of the License at

  http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing,
software distributed under the License is distributed on an
"AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
KIND, either express or implied.  See the License for the
specific language governing permissions and limitations
under the License. */

const fs = require('node:fs')
const path = require('node:path')

const filePath = path.resolve(__dirname, './src')

const xmlLicenses = `
<!--
Licensed to the Apache Software Foundation (ASF) under one
or more contributor license agreements.  See the NOTICE file
distributed with this work for additional information
regarding copyright ownership.  The ASF licenses this file
to you under the Apache License, Version 2.0 (the
"License"); you may not use this file except in compliance
with the License.  You may obtain a copy of the License at

  http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing,
software distributed under the License is distributed on an
"AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
KIND, either express or implied.  See the License for the
specific language governing permissions and limitations
under the License.
-->
`

const tsLicenses = `
/* Licensed to the Apache Software Foundation (ASF) under one
or more contributor license agreements.  See the NOTICE file
distributed with this work for additional information
regarding copyright ownership.  The ASF licenses this file
to you under the Apache License, Version 2.0 (the
"License"); you may not use this file except in compliance
with the License.  You may obtain a copy of the License at

  http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing,
software distributed under the License is distributed on an
"AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
KIND, either express or implied.  See the License for the
specific language governing permissions and limitations
under the License. */
`

function fileDisplay(filePath) {
  fs.readdir(filePath, (err, files) => {
    if (err) {
      console.warn(`get file list error: ${err}`)
    }
    else {
      for (let index = 0; index < files.length; index++) {
        const filename = files[index]
        const filedir = path.join(filePath, filename)
        fs.stat(filedir, (eror, stats) => {
          if (eror) {
            console.warn(`get file stat error: ${eror}`)
          }
          else {
            const isFile = stats.isFile()
            const isDir = stats.isDirectory()
            if (isFile) {
              const res = read(filedir)
              const fileName = path.basename(filedir)
              res && console.log(`success file: ${fileName}`)
            }
            if (isDir)
              fileDisplay(filedir)
          }
        })
      }
    }
  })
}

function read(fPath) {
  const data = fs.readFileSync(fPath, 'utf-8')
  return write(data, fPath)
}

function write(data, fPath) {
  if (data.includes('Apache') && data.includes('License'))
    return true

  const fileName = path.basename(fPath)
  let license
  if (fileName.endsWith('.tsx') || fileName.endsWith('.ts') || fileName.endsWith('.js') || fileName.endsWith('.css') || fileName.endsWith('.scss'))
    license = tsLicenses

  if (fileName.endsWith('.vue') || fileName.endsWith('.html'))
    license = xmlLicenses

  if (license) {
    const newFile = `${license}\n${data}`

    fs.writeFileSync(`${fPath}`, newFile, { encoding: 'utf-8' })
    return true
  }

  else {
    console.error(`not found license in file: ${fPath}. Please add more license manually!`)
    return false
  }
}

fileDisplay(filePath)
